Investors / Canada / Pioneer Fund
Pioneer Fund
Venture capital · Canada · North America
Pioneer Fund is a venture fund backed by more than 500 Y Combinator alumni that invests in and supports startups, primarily from Y Combinator. It makes its own investment decisions, aims to decide within 48 hours of meeting founders, and draws on its alumni and limited partner network to help portfolio companies.
Invests inAI & Machine Learning
In its own wordsy combinatoralumni networkfounder-ledearly stageall verticalsall geographies
Your fit with Pioneer Fund
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsPioneer Fund lists 33 checked portfolio companies on its own site and is named in 35 funding rounds, 2 of them as lead. Its most frequent entry is Seed, 79% of the companies with a known first round. Its largest themes are AI & Machine Learning (28%), Enterprise Software (15%) and Fintech (13%). 79% of its companies are based in United States. It invests most often alongside Y Combinator, Transpose Platform and Andreessen Horowitz.
Counts come from funding rounds that name Pioneer Fund, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Entry stage
share of companies by the stage of its first roundPioneer Fund does not state its stages on its site, so only what it does is shown.
Show as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 79% |
| Series A | 21% |
| Series B | 0% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 2 | 0 |
| '22 | 1 | 0 |
| '23 | 1 | 0 |
| '24 | 1 | 0 |
| '25 | 10 | 1 |
| '26 | 20 | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 71th | 33 companies |
| Recent activity | 99th | 21 rounds in 12 months |
| Early stage | 83th | 79% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 45th | 28% in its largest sector |
| Reach | 78th | 5 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 28% | 18% |
| Enterprise Software | 15% | 8% |
| Fintech | 13% | 12% |
| Cybersecurity | 10% | 4% |
| Healthcare & Biotech | 10% | 15% |
| Legal & Compliance | 5% | 2% |
| Space & Defense | 3% | 3% |
| Media & Entertainment | 3% | 4% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Y Combinator | 26 |
| Transpose Platform | 8 |
| Andreessen Horowitz | 6 |
| Eight Capital | 6 |
| Rebel Fund | 6 |
| Multimodal Ventures | 5 |
| Phosphor Capital | 5 |
| Singularity Capital | 4 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers33100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherCompare Pioneer Fund head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Pioneer Fund| Date | Company | Stage |
|---|---|---|
| 5 Nov 2026 | Seed | |
| 22 Oct 2026 | Seed Led | |
| 14 Oct 2026 | Seed | |
| 14 Sept 2026 | Seed | |
| 8 Sept 2026 | Seed | |
| 2 Sept 2026 | Seed | |
| 19 Aug 2026 | Seed | |
| 17 Aug 2026 | Seed |
Round details for Pioneer Fund
Amounts, full round histories and every co-investor in Pioneer Fund's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
33 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| The company provides a governance ecosystem platform for leaders and organizations to manage meetings, decisions, and operations. | AI & Machine LearningEnterprise Software | Oct 2025Seed | Funding round | |
| Alaan provides an AI-native expense management platform for businesses in the Middle East | FintechAI & Machine Learning | Aug 2025Series A | Funding round | |
| Alien is a fair, decentralized human network that lets you establish proof of humanity without sacrificing your privacy or agency. | AI & Machine LearningCybersecurity | Apr 2026Seed | Funding round | |
| The company builds virtual worlds and games for players | GamingEnterprise Software | Jan 2022Seed | Funding round | |
| Argon Ai Inc provides an AI-powered workspace for life sciences teams to automate workflows and find answers | Healthcare & Biotech | Jul 2025Seed | Funding round | |
| Autosana provides AI testing for iOS, Android, and web apps to help companies ship faster | AI & Machine LearningCybersecurity | Feb 2026Seed | Funding round | |
| Bolna AI provides voice AI agents that power thousands of inbound and outbound calls every minute with human-like, multilingual intelligence | AI & Machine LearningEnterprise Software | Jan 2026Seed | Funding round | |
| Cascade Space is building a communication network for space missions beyond Low Earth Orbit. | Space & DefenseHealthcare & Biotech | Jul 2025Seed | Funding round | |
| Caseflood provides an operating system for high-volume intake teams to manage and sign cases | Legal & ComplianceAI & Machine Learning | Jul 2025Seed | Funding round | |
| The company provides an API for identity and fraud services, including authentication, verification, and monitoring. | FintechCybersecurity | May 2026Seed | Funding round | |
| Familiar translates proven human medicines into novel therapeutics for animals | Healthcare & Biotech | Oct 2026Seed | Funding round | |
| Fazeshift develops AI agents for automating accounts receivable processes. | FintechAI & Machine Learning | May 2026Series A | Funding round | |
| Healia helps employers reduce healthcare costs while providing a benefit that covers employees' out-of-pocket costs | Healthcare & Biotech | Jul 2026Series A | Funding round | |
| Henry automates underwriting, pitch decks, and comps research for commercial real estate teams. | Real Estate & ConstructionAI & Machine Learning | Feb 2025Seed · 2 rounds | Funding round | |
| Hypercubic accelerates mainframe operations and modernization using agentic AI | AI & Machine LearningEnterprise Software | Aug 2026Seed | Funding round | |
| Kaedim produces 3D assets from sketches, reference packs, product photos, briefs, and art direction for studios and brands | Enterprise SoftwareMedia & Entertainment | Mar 2024Series A | Funding round | |
| Klaimee provides insurance for financial consequences of AI agent failures | CybersecurityFintech | Jul 2026Seed | Funding round | |
| Kodex provides software for managing law enforcement data requests | CybersecurityLegal & Compliance | Nov 2023Seed | Funding round | |
| Kopra Bio develops cancer immunotherapy | Healthcare & Biotech | Jun 2026Seed | Funding round | |
| The company provides an AI-driven operating system for founders raising venture rounds. | FintechAI & Machine Learning | Sept 2026Seed | Funding round |
About this data
site last read 5 Nov 2026- Site
- pioneerfund.vc
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 2 Jun 2021
- Companies checked
- 33
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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